Toyota Tundra. Manual — part 2590

Fig. 114: Identifying Passenger Airbag ON/OFF Indicator Flash-Pattern
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

B: Go to step 7

A: Go to next step

2. CHECK CONNECTION OF CONNECTORS

a. Turn the ignition switch OFF.

b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

c. Check that the connectors are properly connected to the center airbag sensor and the integration

control and panel.

OK: The connectors are properly connected.

NG: CONNECT CONNECTORS PROPERLY

OK: Go to next step

3. CHECK CONNECTORS

a. Disconnect the connectors from the center airbag sensor and the integration control and panel.

b. Check that the connectors (on the center airbag sensor side and integration control and panel side)

are not damaged.

OK: The connectors are not deformed or damaged.

NG: REPLACE INSTRUMENT PANEL WIRE

OK: Go to next step

4. CHECK PASSENGER AIRBAG ON/OFF INDICATOR

a. Connect the connector to the integration control and panel.

b. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.

c. Turn the ignition switch ON.

d. Check the passenger airbag ON/OFF indicator operation.

OK: The passenger airbag ON/OFF indicator does not come on.

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Fig. 115: Identifying Passenger Airbag ON/OFF Indicator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Go to step 6

OK: Go to next step

5. CHECK CENTER AIRBAG SENSOR

a. Connect the connector to the center airbag sensor.

b. Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.

c. Turn the ignition switch ON, and wait for at least 60 seconds.

d. Clear the DTCs (see DTC CHECK/CLEAR ).

e. Turn the ignition switch OFF.

f. Turn the ignition switch ON, and wait for at least 60 seconds.

g. Check for DTCs (see DTC CHECK/CLEAR ).

Result

RESULT TABLE

Fig. 116: Identifying Center Airbag Sensor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

Proceed to

DTC B1660 is output (for Column Shift
Type)

A

DTC B1660 is output (for Floor Shift Type)

B

DTC B1660 is not output

C

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

HINT:

Codes other than DTC B1660 maybe output at this time. but they are not related to this check.

A: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Column Shift Type) )

B: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Floor Shift Type) )

C: USE SIMULATION METHOD TO CHECK (See DIAGNOSIS SYSTEM )

6. CHECK INSTRUMENT PANEL WIRE (CENTER AIRBAG SENSOR - INTEGRATION

CONTROL AND PANEL)

a. Turn the ignition switch OFF.

b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

c. Disconnect the connector from the integration control and panel.

d. Using a service wire, connect terminals 23 (PAON) and 17 (P-AB) of connector B.

e. Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

f. Disconnect the service wire from connector B.

g. Measure the resistance according to the value(s) in the table below.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

h. Connect the negative (-) terminal cable to the battery. and wait for at least 2 seconds.

i. Turn the ignition switch ON.

j. Measure the voltage according to the value(s) in the table below.

NOTE:

Do not forcibly insert a service wire into the terminals of the
connector when connecting the wire.

Tester Connection

Condition Specified Condition

J37-5 (PAON) - J37-13 (P-AB) Always

Below 1 ohms

Tester Connection

Condition Specified Condition

J37-5 (PAON) - J37-13 (P-AB)

Always

1 Mohms or higher

J37-5 (PAON) - Body ground
J37-13 (P-AB) - Body ground

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

Result

RESULT TABLE

Fig. 117: Identifying Instrument Panel Wire (Center Airbag Sensor - Integration Control &
Panel)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

A: REPLACE INSTRUMENT PANEL WIRE

B: REPLACE INTEGRATION CONTROL AND PANEL (See INTEGRATION CONTROL AND
PANEL (FOR COLUMN SHIFT TYPE) )

C: REPLACE INTEGRATION CONTROL AND PANEL (See INTEGRATION CONTROL AND
PANEL (FOR FLOOR SHIFT TYPE) )

7. CHECK CONNECTION OF CONNECTORS

a. Turn the ignition switch OFF.

b. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.

c. Check that the connectors are properly connected to the center airbag sensor and the integration

control and panel.

Tester Connection

Switch Condition Specified Condition

J37-5 (PAON) - Body ground

Ignition switch ON

Below 1 V

J37-13 (P-AB) - Body ground

Result

Proceed to

NG

A

OK (for Column Shift Type)

B

OK (for Floor Shift Type)

C

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra